Sonia Andresson-Nolasco

Virgin Mobile promoted its Baltimore and Washington D.C.-based Freefest during this year’s SXSW in Austin inside (and outside) a tricked out residential home on Eighth Street. Though it’s not an official sponsor of the festival, Virgin rode the momentum of the popular event using the house as a hospitality locale to host industry folks, entertain fans (and recharge their phones, courtesy of LG) as well as showcase artwork. The party was on each night with free drinks, live djs (including heavy hitter Diplo) and surprise guests like actor Bill Murray and pro athlete Rick Thorne.

Premium water brand FIJI hasn’t missed one South by Southwest event in the last four years. The interactive, film and music festival attracts an educated and discerning consumer, which according to the brand is its target, too. Though FIJI isn't an official sponsor of the

South by Southwest offers cutting-edge content, warm temperatures and all the barbeque you can eat. But when it comes to partying, this festival takes the cake. On March 16, the night before the music portion of the festival kicked off, The Macallan (makers of single malt scotch whisky) threw a party that mixed sampling with social media. The next day, Sirius Satellite Radio sponsored a VIP barbeque featuring live music by Canadian bands.

Taking advantage of the foot traffic from the many discussion panels on the fourth floor of the Austin Convention Center, Microsoft set up a chic booth (a black and white Audrey Hepburn print on the wall set the tone) divided into three sections showcasing its Windows 7 technology, Silverlight (a free, cross-browser, cross-platform plug-in that enables Internet applications and media experiences online) and its gaming offerings.

The Austin Convention Center is ground zero for the South by Southwest Interactive, Film and Music Festival and the central hub for sponsor activations. This week, EM toured them all (plus a few off the beaten path) and found a collection of laidback lounges where people could recharge, refresh, and in some cases, enjoy a nice cold drink. Here are some of the highlights:

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